Seasonal Affective Disorder

What Is Seasonal Affective Disorder?

Seasonal affective disorder (SAD) is a type of seasonal depression characterized by major depressive episodes in the fall/winter and remissions in spring/summer. The symptoms include persistent low mood, lack of interest, irritability, lack of energy, irritability, longer hours of sleep, withdrawal from social situations, and craving for carbohydrates. It is estimated that 1-10% of the…